Product: 3-Day Forecast
- Issued: 2024 Apr 26 0030 UTC
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center.
Geomagnetic Activity Observation and Forecast
The greatest observed 3 hr Kp over the past 24 hours was 1 (below NOAA Scale levels). The greatest expected 3 hr Kp for Apr 26-Apr 28 2024 is 4.00 (below NOAA Scale levels).
| Apr 26 | Apr 27 | Apr 28 | |
|---|---|---|---|
| 00-03UT | 3.67 | 2.67 | 2.67 |
| 03-06UT | 4.00 | 3.67 | 3.00 |
| 06-09UT | 3.33 | 3.00 | 3.67 |
| 09-12UT | 3.00 | 2.67 | 2.67 |
| 12-15UT | 2.67 | 2.67 | 2.67 |
| 15-18UT | 2.00 | 2.67 | 2.67 |
| 18-21UT | 2.00 | 3.00 | 2.00 |
| 21-00UT | 2.67 | 3.33 | 2.00 |
Rationale: No G1 (Minor) or greater geomagnetic storms are expected. No significant transient or recurrent solar wind features are forecast.
Solar Radiation Activity Observation and Forecast
Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was below S-scale storm level thresholds.
| Apr 26 | Apr 27 | Apr 28 | |
|---|---|---|---|
| S1 or greater | 15% | 15% | 15% |
Rationale: There is a slight chance for S1 (Minor) storms over 26-28 Apr due tot he position and flare potential of several active regions in the W hemisphere.
Radio Blackout Activity and Forecast
Radio blackouts reaching the R1 levels were observed over the past 24 hours. The largest was at Apr 25 2024 1712 UTC.
| Apr 26 | Apr 27 | Apr 28 | |
|---|---|---|---|
| R1-R2 | 75% | 75% | 75% |
| R3 or greater | 15% | 15% | 15% |
Rationale: R1-R2 (Minor-Moderate) events are expected, with a slight chance for R3 (Strong), over the next three days.
Space Weather Overview
Losts of interesting information